Zinaida Aleksandrovna Volkonskaia Papers, 1809-1879 (MS Russ 46-46.14). Houghton Library, Harvard University.
Zinaida Aleksandrovna Volkonskaia Papers, 1809-1879 (MS Russ 46-46.14). Houghton Library, Harvard University. https://id.lib.harvard.edu/ead/hou01080/catalog Accessed April 26, 2024.